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Finding the Fourth Proportional to 249,659.80, 344,530.02 and 136,482.52

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Solution

The fourth proportional to 249,659.80, 344,530.02 and 136,482.52 is: 188,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,659.80 : 344,530.02 = 136,482.52 : x
  2. Step 2: Convert to fraction form
    249,659.80/344,530.02 = 136,482.52/x
  3. Step 3: Cross multiply
    249,659.80x = 344,530.02 × 136,482.52
  4. Step 4: Simplify right side
    249,659.80x = 47,022,325,345.25
  5. Step 5: Solve for x
    x = 47,022,325,345.25/249,659.80
  6. Step 6: Final answer
    x = 188,345.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.